| | Valier, MT | Choteau, MT | United States |
| Population | 529 | 1,826 | 329,725,481 |
| Female Population | 51.6% | 52.4% | 50.5% |
| Male Population | 48.4% | 47.7% | 49.5% |
| Median Age | 50.9 | 41.5 | 38.4 |
| space3 | | | |
| Population - 2010 | 510 | 1,675 | 309,327,143 |
| Population - 2000 | 498 | 1,781 | 285,036,114 |
| Population - 1990 | 519 | 1,741 | 251,960,433 |
| Pop. 2000 to Now | -4.8% | -2.1% | 15.6% |
| Pop. 1990 to Now | -8.7% | 0.2% | 30.8% |
| space4 | | | |
| Population Density | 611.6 | 1,255.0 | 93.4 |
| Land Area | 0.9 | 1.5 | 3,531,905.4 |
| Water Area | 0.0 | 0.0 | 264,836.8 |
| space | | | |
| Est. Total Population By Age | | | |
| | Valier, MT | Choteau, MT | United States |
| Age 0 to 4 | 4.0% | 8.8% | 5.9% |
| Age 5 to 9 | 4.2% | 5.8% | 6.1% |
| Age 10 to 14 | 7.8% | 5.7% | 6.6% |
| Age 15 to 17 | 2.6% | 4.4% | 3.9% |
| Age 18 to 20 | 4.0% | 2.7% | 4.0% |
| Age 21 to 24 | 6.6% | 3.1% | 5.2% |
| Age 25 to 34 | 7.2% | 10.2% | 13.8% |
| Age 35 to 44 | 6.0% | 13.6% | 12.9% |
| Age 45 to 54 | 11.7% | 8.2% | 12.6% |
| Age 55 to 59 | 4.7% | 7.9% | 6.7% |
| Age 60 to 64 | 13.2% | 6.4% | 6.3% |
| Age 65 to 74 | 15.9% | 12.9% | 9.6% |
| Age 75 to 84 | 7.2% | 6.2% | 4.5% |
| Age 85 and over | 4.9% | 4.2% | 1.9% |
| space1 | | | |
| Race | | | |
| | Valier, MT | Choteau, MT | United States |
| White | 84.3% | 93.5% | 59.4% |
| Black | 0.0% | 1.5% | 12.2% |
| Asian | 0.0% | 0.0% | 5.6% |
| Native American | 13.0% | 1.3% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.0% | 0.0% | 0.4% |
| Two or More Races | 2.6% | 3.4% | 3.2% |
| Hispanic | 0.0% | 0.3% | 18.4% |
| space2 | | | |
| Marriage & Family | | | |
| | Valier, MT | Choteau, MT | United States |
| Married Population | 48.1% | 50.5% | 49.8% |
| Currently Married | 45.6% | 49.9% | 48.0% |
| Married but Separated | 2.5% | 0.7% | 1.8% |
| Single Population | 51.9% | 49.5% | 50.2% |
| Never Married | 24.5% | 24.6% | 33.8% |
| Divorced | 15.5% | 13.8% | 10.8% |
| Widowed | 11.9% | 11.1% | 5.6% |
| space5 | | | |
| Household Size | 2.09 | 2.35 | 2.60 |
| Households | 253 | 734 | 124,010,992 |
| Family Households | 124 | 380 | 80,755,759 |
| Married couple, w/children | 18.5% | 35.8% | 30.5% |
| Married couple, no children | 60.5% | 46.6% | 42.9% |
| Non Family Households | 129 | 354 | 43,255,233 |
| Single householder, w/children | 12.9% | 15.8% | 15.8% |
| Single householder, no children | 8.1% | 1.8% | 10.8% |